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  “grey”译为未确定词的双语例句
    GREY SYSTEM ANALYSIS ON YIELD AND MAIN AGRONOMIC CHARACTERS OF B JUNCEA IN GUIZHOU
    贵州芥菜型油菜产量与主要农艺性状间的关联度分析
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    Grey Connected-degree Analysis of Yield and Correlated Traits in Spring Millet
    春谷产量与其相关性状的关联度分析
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    Grey System Analysis on Fresh Yield and Main AgronomicCharacters of Glutinous Maize
    糯玉米鲜食产量与主要农艺性状的关联度分析
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    Studies on Grey Correlative Analysis for the Evolution of Agronomic Characters of Millet
    谷子品种的农艺性状演变分析
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    Application of Grey Situation Decision of Mono-target for Redressal of Planting Configuration in Irrigation District
    单目标化局势决策在灌区种植结构调整中的应用
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In our previous studies, grey satellite foci were found in the front of heads of pterygia.
      
Effect of Gamma Irradiation on the Preference Behavior and Lipid Metabolism in Grey Garden Slug Deroceras reticulatum Mull.
      
Sorption of heavy metal (copper and strontium) ions by the meadow chernozem and grey forest soils differing in the content of organic substance was described using the Langmuir equation.
      
The fungal-bacterial ratio in the soils of natural ecosystems (0-5 cm, without litter) was 4.3, 2.2, 1.5, and 1.5 for tundra soil, virgin chernozem, coniferous (soddy-podzolic soil), and larch (grey forest soil) forests, respectively.
      
The lower layers of soddy-podzolic (5-10 cm) and grey forest (48-58 cm) soils showed a decrease in the fungal and increase in the bacterial component in the total SIR.
      
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The large and contineuous genetic variation of the agronomic characters of soybeans provides the possibility for selection by various environmental conditions to form enormous kinds of types and varieties. The wide range of climatic arid cultural conditions as well the diverse usage of soybeans in China causes Chinese soybean germplasms to be exceedingly prolific.Soybeans in the extreme north part of Heilonggiang Province(50°N.)are of extremely early maturing and day neutral type, while those of Guandong Province...

The large and contineuous genetic variation of the agronomic characters of soybeans provides the possibility for selection by various environmental conditions to form enormous kinds of types and varieties. The wide range of climatic arid cultural conditions as well the diverse usage of soybeans in China causes Chinese soybean germplasms to be exceedingly prolific.Soybeans in the extreme north part of Heilonggiang Province(50°N.)are of extremely early maturing and day neutral type, while those of Guandong Province (22.5N,) are of very late maturing and typical short day types. Between there there are the concecutive transitional forms. Soybeans in Yangtze River valley of 30-32°N. consisted of nearly day neufral, moderate short day, and typical short day types to meet the diverse kinds of cropping system. It is therefore we do believe that, soybean germplasms in Yangtze River Valley is the most pentiful in contrast to those of other regions.In the main soybean producing area of North East, the weight of 100 seeds is around 18-22g., while in the west part of North East, where the annual rainfall is only 400-500mm and soil is more or less alkaline the weight of 100 seeds is around 13-16g.. In the Loess Plateau area of the Shanxi and Shaanxi provinces, small black seeded soybean is the dominant type. In the area of Yangtze River Valley, size of soybean seeds varies greatly according to the usage and cropping systems encountered.Determinate soybeans are prevalent in areas of Yangtze River Valley where the farming condition is intensive. For the purpose of developing cultivars with tall and stiff stem, soybean with developed main stem, moderate branches, more nodes on main stem and adaptability to machine harvesting, were developed. Germplasms of indeterminate and emi-determinate soybeans in the main soybean producing area of North East is promising for using as crossing parents.Soybean germplasms in areas of Yangtze River Valley are valuable for their high protein content(over 45%).Soybean varieties collected from main soybean producing area of North East have higher oil content (20-23%) but moderate protein content (37-40%).Sources of genes of resistance to soybean diseases may be present in soybean germplasms grown in many places in China, but they can only be biscovered by screening. For hunting the genes of disease resistance we should collect soybean accessions from both the epidemic regions and the disease free regions.The Loess Plateau of north Shanxi and Shaanxi provinces is the most typical small-seeded black soybean region. In places where crop ultural level is high and soybeans are produced as conlmercial commodity, seed coat of soybeans are mostly yellow. In North East c of China, traditionally soybeans were produced as commercial commodity, therefore yellow soybeans with light hilum color were prefered for growing, The elimination of gene T which causes both heavy hilum color and tawny pubescence causes almost all the cultivars in the main producing area of North East are with grey pubescence.In area of Yangtze River Valley, soybeans with tawny pubescence and heavily colored hilum are dominant in preva-lence.

我国地域辽阔,各地的自然条件,耕作栽培条件差异很大,对大豆的利用要求也十分不同,经过此等不同条件的长期选择,使我国的大豆品种资源丰富多彩,而且生态地理的分布规律也十分明显。在我国黑龙江省的北部,极早熟的中日性大豆方可适应,而在低纬度的广东地区,极迟熟的典型短日性品种,才是适应类型。这南北两地区之间的大豆,在生育期类型上,作连续性的过渡变化。在长江流域地区,于较长的无霜期期间,光照长短的变化较大,栽培制度复杂,因此大豆的生育期类型最为繁多,大豆的品种资源远较其它地区丰富。东北大豆主产区大豆的百粒重在18—22克左右,而东北西部干旱盐碱地区大豆的百粒重仅为13—16克左右。在陕晋黄土高原地区,小粒的黑豆是主要类型。在长江流域,由于大豆的用途多样化,因此大豆种粒的大小变化很大。在长江流域,由于自然条件较好,农业水平较高,大豆以有限结荚习性为主。在东北中北部大豆主产区,大豆主要为植株高大不倒伏、主茎发达而又有一定分枝的无限结荚习性及亚有限结荚习性。长江流域大豆蛋白质的含量显然较高,大都在45%以上。东北大豆主产区的大豆含油量较高(20—23%),但蛋白质的含量一般(37—40%)。中国各地区的大豆品种具有抗各种病害的...

我国地域辽阔,各地的自然条件,耕作栽培条件差异很大,对大豆的利用要求也十分不同,经过此等不同条件的长期选择,使我国的大豆品种资源丰富多彩,而且生态地理的分布规律也十分明显。在我国黑龙江省的北部,极早熟的中日性大豆方可适应,而在低纬度的广东地区,极迟熟的典型短日性品种,才是适应类型。这南北两地区之间的大豆,在生育期类型上,作连续性的过渡变化。在长江流域地区,于较长的无霜期期间,光照长短的变化较大,栽培制度复杂,因此大豆的生育期类型最为繁多,大豆的品种资源远较其它地区丰富。东北大豆主产区大豆的百粒重在18—22克左右,而东北西部干旱盐碱地区大豆的百粒重仅为13—16克左右。在陕晋黄土高原地区,小粒的黑豆是主要类型。在长江流域,由于大豆的用途多样化,因此大豆种粒的大小变化很大。在长江流域,由于自然条件较好,农业水平较高,大豆以有限结荚习性为主。在东北中北部大豆主产区,大豆主要为植株高大不倒伏、主茎发达而又有一定分枝的无限结荚习性及亚有限结荚习性。长江流域大豆蛋白质的含量显然较高,大都在45%以上。东北大豆主产区的大豆含油量较高(20—23%),但蛋白质的含量一般(37—40%)。中国各地区的大豆品种具有抗各种病害的遗传基因,但是生态地理分布规律不明显,抗病基因须经筛选才能发现。为了取得具有抗病基因的品种资源,既需要自疫区也需要自无病区搜集材料。东北大豆主产区是我国传统的商品大豆产区,因此大豆概为淡色脐黄豆。由于基因“T”既控制产生深色脐又控制产生棕毛,因此在东北大豆主产区由于强调种植淡色脐而将棕毛大豆几乎全部排除。在长江流域,大豆概为棕毛,脐色多褐至深褐色。

A systems control of insect pests is studied with the grey system theory. By interplanting rapeseeds in the cotton field, a mass breeding of ladybugs (Coccinella Seprempunctata) induced by rapeseed aphids eventually wipes out the cotton aphidssA quantitative relation which is difficult to deduce from other theories is obtained here in dynamic state and expressed as an effective ratio of ladybug to cotton aphid at =1:120. This provides a basis for the improvement of the systems control.

本文运用灰色系统理论,分析研究了棉田插种油菜,油菜的蚜虫招引繁殖七星瓢虫,用瓢虫控制棉蚜以保护棉花免受蚜害的灰色系统控制问题。得到了用其它理论难以得到的动态情况下的有效瓢蚜比ψ≈1:120的定量关系,并为改善系统的外控制提供了依据。

The bionomics and control of Culcula panterinaria Bremer et Grey were investigatedduring 1981—1983 in Zhejiang Province.This pest appears 2—3 generations per yearand overwinters as pupae in the soil of tea plantation.The emergence of adults isoccurred from late of April to beginning of May for overwintered generation,earlyJuly to mid of July for the 1st generation and early September for the 2nd generation,respectively.The peaks of egg hatching for the 1st,2nd and 3rd generations areappeared in mid of...

The bionomics and control of Culcula panterinaria Bremer et Grey were investigatedduring 1981—1983 in Zhejiang Province.This pest appears 2—3 generations per yearand overwinters as pupae in the soil of tea plantation.The emergence of adults isoccurred from late of April to beginning of May for overwintered generation,earlyJuly to mid of July for the 1st generation and early September for the 2nd generation,respectively.The peaks of egg hatching for the 1st,2nd and 3rd generations areappeared in mid of May,mid of July and mid of September,respectively.Number ofeggs deposited per female of the overwintered,1st and 2nd generations are 1483,789 and 452,respectively.There are 4—5 times of moulting in the whole larvalperiod.The growth and development of the pest are influenced by ambient temperatureand humidity.The main natural enemies are NPV,and several bird species.Deltam-ethrin(3.12 ppm),Cvmbush(12.5 ppm),Fenverelate(20 ppm),S-5439(40 ppm).and Ekalux(250 ppm)have been showed with good performance to the larvae.Integrated control measures are discussed by the authors in this paper.

木橑尺蠖 Culcula panterinaria Bremer et Grey 是一种杂食性的尺蛾类害虫,在浙江杭州以蛹在茶树根际附近土中越冬,年发生2—3代。气温和相对湿度是影响木橑尺蠖生长、发育的主要环境条件。风可帮助初孵幼虫扩散,大暴雨可使低龄幼虫致死,土壤质地则影响入土化蛹深度。主要天敌是木橑尺蠖核型多角体病毒(NPV)。防治宜采用灯光诱杀、人工捕捉、保护利用天敌和化学农药综合措施。化学农药以3.12ppm 溴氰菊酯、12.5ppm 氯氰菊酯、20ppm 杀灭菊酯、40ppm 多虫畏、250ppm 喹硫磷及250ppm 灭幼脲Ⅲ效果较好。

 
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